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Finding the Fourth Proportional to 10,799.03, 14,872.86 and 9,306.41

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Solution

The fourth proportional to 10,799.03, 14,872.86 and 9,306.41 is: 12,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.03 : 14,872.86 = 9,306.41 : x
  2. Step 2: Convert to fraction form
    10,799.03/14,872.86 = 9,306.41/x
  3. Step 3: Cross multiply
    10,799.03x = 14,872.86 × 9,306.41
  4. Step 4: Simplify right side
    10,799.03x = 138,412,858.67
  5. Step 5: Solve for x
    x = 138,412,858.67/10,799.03
  6. Step 6: Final answer
    x = 12,817.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.